CVE-2019-0211: Apache HTTP Server Privilege Escalation Vulnerability

CVE-2019-0211 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

In Apache HTTP Server versions 2.4.17 to 2.4.38, a local privilege escalation vulnerability exists when using MPM event, worker, or prefork. A less-privileged child process or thread can execute arbitrary code with the privileges of the parent process (typically root) by manipulating the scoreboard. This issue affects Unix-based systems only.

Technologies: Apache HTTP Server. Vendors: Apache.

Quick answers

Is CVE-2019-0211 exploited in the wild?
Yes. CVE-2019-0211 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2019-0211?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Apache HTTP Server 2.4.17 to 2.4.38.
Is there a fix for CVE-2019-0211?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2019-0211 attacked?
It is attacked with local access, in a web application.
Am I affected by CVE-2019-0211?
Check whether you run Apache HTTP Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Apache HTTP Server 2.4.17 to 2.4.38

Timeline

  • 2019-04-02: disclosed: Initial public disclosure via oss-security mailing list.
  • 2021-11-03: advisory: NVD publication date.

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